Properties of the Number -17711

Seventeen Thousand Seven Hundred Eleven

Basics

Value: -17712 → -17711 → -17710

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 89 × 199

Divisors: 1, 89, 199, 17711

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100010100101111

Octal: -42457

Duodecimal: -A2BB

Hexadecimal: -452f

Square: 313679521

Square Root: 133.08268106707197

Classification

Fibonacci: Yes

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

a(n+2) = -a(n+1) + a(n) (signed Fibonacci numbers) with a(-2) = a(-1) = 1; or Fibonacci numbers (A000045) extended to negative indices. A39834

a(n) = a(n-1)+a(n-2), n>1 ; a(0)=1, a(1)=-1. A152163

a(n) = (-1)^n-1*(a(n-1) - a(n-2)), a(1)=1, a(2)=1. A51792

Expansion of (-3·x³-18·x²+14·x-1)/(3·x⁴-5·x²+4·x-1). A103135

A characteristic triangle for the Fibonacci numbers. A110033

a(n)=∏_{k=1..floor((n-1)/2)} (1 + 4·cos(k*π/n)²)*(1 - 4·sin(k*π/n)²). A152191

a(n) = F(n) * (-1)^n*(n-1/2) where F(n) = A000045(n) Fibonacci numbers. A333378

Hankel transform of A157143. A157144

a(n+4) = a(n+3) - 2·a(n+2) - a(n+1) - a(n), starting with (0, 1, 0, -2). A173344

a(n) = (-1)^floor( (n-1) / 3 ) * F(n), where F = Fibonacci. A236191